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计算:①222×44+889×88=②100-99+98-97+96-95+…+42-41+40=③11×2+12×3+13×4+14×5=④1+12+13=⑤13×(4.3×335-3.6+6.7÷518)-(1.23÷1323-5-0.09)=
题目详情
计算:
①222×44+889×88=
②100-99+98-97+96-95+…+42-41+40=
③
+
+
+
=
④1+
=
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09)=
+
+
+
=
④1+
=
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09)=
1 1 1×2 1×2
+
+
=
④1+
=
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09)=
1 1 2×3 2×3
+
=
④1+
=
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09)=
1 1 3×4 3×4
=
④1+
=
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09)=
1 1 4×5 4×5
=
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09)=
1 1 2+
2+
1 1 3 3
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09)=
1 1 3 3
-3.6+6.7÷
)-(1.23÷13
-5-0.09)=
3 3 5 5
)-(1.23÷13
-5-0.09)=
5 5 18 18
-5-0.09)=
2 2 3 3
①222×44+889×88=
②100-99+98-97+96-95+…+42-41+40=
③
1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
4×5 |
④1+
1 | ||
2+
|
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
4×5 |
④1+
1 | ||
2+
|
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
4×5 |
④1+
1 | ||
2+
|
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
1 |
2×3 |
1 |
3×4 |
1 |
4×5 |
④1+
1 | ||
2+
|
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
1 |
3×4 |
1 |
4×5 |
④1+
1 | ||
2+
|
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
1 |
4×5 |
1 | ||
2+
|
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
1 | ||
2+
|
1 |
3 |
1 |
3 |
1 |
3 |
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
5 |
18 |
2 |
3 |
2 |
3 |
▼优质解答
答案和解析
①222×44+889×88,
=111×2×44+889×88,
=111×88+889×88,
=(111+889)×88,
=1000×88,
=88000;
②100-99+98-97+96-95+…+42-41+40,
=(100-99)+(98-97)+(96-95)+…+(42-41)+40,
=1×30+40,
=70;
③
+
+
+
,
=1-
+
-
+
-
+
-
,
=
;
④1+
,
=1+1÷(2+
),
=1+1÷
,
=1
;
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
1 1 11×2 1×2 1×2+
+
+
,
=1-
+
-
+
-
+
-
,
=
;
④1+
,
=1+1÷(2+
),
=1+1÷
,
=1
;
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
1 1 12×3 2×3 2×3+
+
,
=1-
+
-
+
-
+
-
,
=
;
④1+
,
=1+1÷(2+
),
=1+1÷
,
=1
;
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
1 1 13×4 3×4 3×4+
,
=1-
+
-
+
-
+
-
,
=
;
④1+
,
=1+1÷(2+
),
=1+1÷
,
=1
;
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
1 1 14×5 4×5 4×5,
=1-
+
-
+
-
+
-
,
=
;
④1+
,
=1+1÷(2+
),
=1+1÷
,
=1
;
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
1 1 12 2 2+
-
+
-
+
-
,
=
;
④1+
,
=1+1÷(2+
),
=1+1÷
,
=1
;
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
1 1 12 2 2-
+
-
+
-
,
=
;
④1+
,
=1+1÷(2+
),
=1+1÷
,
=1
;
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
1 1 13 3 3+
-
+
-
,
=
;
④1+
,
=1+1÷(2+
),
=1+1÷
,
=1
;
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
1 1 13 3 3-
+
-
,
=
;
④1+
,
=1+1÷(2+
),
=1+1÷
,
=1
;
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
1 1 14 4 4+
-
,
=
;
④1+
,
=1+1÷(2+
),
=1+1÷
,
=1
;
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
1 1 14 4 4-
,
=
;
④1+
,
=1+1÷(2+
),
=1+1÷
,
=1
;
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
1 1 15 5 5,
=
;
④1+
,
=1+1÷(2+
),
=1+1÷
,
=1
;
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
4 4 45 5 5;
④1+
,
=1+1÷(2+
),
=1+1÷
,
=1
;
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
1 1 12+
2+
2+
1 1 13 3 3,
=1+1÷(2+
),
=1+1÷
,
=1
;
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
1 1 13 3 3),
=1+1÷
,
=1
;
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
7 7 73 3 3,
=1
;
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
3 3 37 7 7;
⑤
×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
1 1 13 3 3×(4.3×3
-3.6+6.7÷
)-(1.23÷13
-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
3 3 35 5 5-3.6+6.7÷
)-(1.23÷13
-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
5 5 518 18 18)-(1.23÷13
-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
2 2 23 3 3-5-0.09),
=
×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
1 1 13 3 3×(4.3×3.6-3.6+6.7×3.6)-(0.09-0.09-5),
=
×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
1 1 13 3 3×3.6×(4.3-1+6.7)+5,
=12+5,
=17.
=111×2×44+889×88,
=111×88+889×88,
=(111+889)×88,
=1000×88,
=88000;
②100-99+98-97+96-95+…+42-41+40,
=(100-99)+(98-97)+(96-95)+…+(42-41)+40,
=1×30+40,
=70;
③
1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
4×5 |
=1-
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
4 |
1 |
5 |
=
4 |
5 |
④1+
1 | ||
2+
|
=1+1÷(2+
1 |
3 |
=1+1÷
7 |
3 |
=1
3 |
7 |
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
1 |
1×2 |
1 |
2×3 |
1 |
3×4 |
1 |
4×5 |
=1-
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
4 |
1 |
5 |
=
4 |
5 |
④1+
1 | ||
2+
|
=1+1÷(2+
1 |
3 |
=1+1÷
7 |
3 |
=1
3 |
7 |
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
1 |
2×3 |
1 |
3×4 |
1 |
4×5 |
=1-
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
4 |
1 |
5 |
=
4 |
5 |
④1+
1 | ||
2+
|
=1+1÷(2+
1 |
3 |
=1+1÷
7 |
3 |
=1
3 |
7 |
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
1 |
3×4 |
1 |
4×5 |
=1-
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
4 |
1 |
5 |
=
4 |
5 |
④1+
1 | ||
2+
|
=1+1÷(2+
1 |
3 |
=1+1÷
7 |
3 |
=1
3 |
7 |
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
1 |
4×5 |
=1-
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
4 |
1 |
5 |
=
4 |
5 |
④1+
1 | ||
2+
|
=1+1÷(2+
1 |
3 |
=1+1÷
7 |
3 |
=1
3 |
7 |
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
1 |
2 |
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
4 |
1 |
5 |
=
4 |
5 |
④1+
1 | ||
2+
|
=1+1÷(2+
1 |
3 |
=1+1÷
7 |
3 |
=1
3 |
7 |
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
1 |
2 |
1 |
3 |
1 |
3 |
1 |
4 |
1 |
4 |
1 |
5 |
=
4 |
5 |
④1+
1 | ||
2+
|
=1+1÷(2+
1 |
3 |
=1+1÷
7 |
3 |
=1
3 |
7 |
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
1 |
3 |
1 |
3 |
1 |
4 |
1 |
4 |
1 |
5 |
=
4 |
5 |
④1+
1 | ||
2+
|
=1+1÷(2+
1 |
3 |
=1+1÷
7 |
3 |
=1
3 |
7 |
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
1 |
3 |
1 |
4 |
1 |
4 |
1 |
5 |
=
4 |
5 |
④1+
1 | ||
2+
|
=1+1÷(2+
1 |
3 |
=1+1÷
7 |
3 |
=1
3 |
7 |
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
1 |
4 |
1 |
4 |
1 |
5 |
=
4 |
5 |
④1+
1 | ||
2+
|
=1+1÷(2+
1 |
3 |
=1+1÷
7 |
3 |
=1
3 |
7 |
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
1 |
4 |
1 |
5 |
=
4 |
5 |
④1+
1 | ||
2+
|
=1+1÷(2+
1 |
3 |
=1+1÷
7 |
3 |
=1
3 |
7 |
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
1 |
5 |
=
4 |
5 |
④1+
1 | ||
2+
|
=1+1÷(2+
1 |
3 |
=1+1÷
7 |
3 |
=1
3 |
7 |
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
4 |
5 |
④1+
1 | ||
2+
|
=1+1÷(2+
1 |
3 |
=1+1÷
7 |
3 |
=1
3 |
7 |
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
1 | ||
2+
|
1 |
3 |
1 |
3 |
1 |
3 |
=1+1÷(2+
1 |
3 |
=1+1÷
7 |
3 |
=1
3 |
7 |
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
1 |
3 |
=1+1÷
7 |
3 |
=1
3 |
7 |
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
7 |
3 |
=1
3 |
7 |
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
3 |
7 |
⑤
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
1 |
3 |
3 |
5 |
5 |
18 |
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
3 |
5 |
5 |
18 |
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
5 |
18 |
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
2 |
3 |
=
1 |
3 |
=
1 |
3 |
=12+5,
=17.
1 |
3 |
=
1 |
3 |
=12+5,
=17.
1 |
3 |
=12+5,
=17.
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