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脱式计算(1)(13+216−512)×12(2)[47−(18.75−1÷815)×2625]÷0.46(3)75%×1.375+5.625×75%+0.75(4)77×13+225×999+510.
题目详情
脱式计算
(1)(
+2
−
)×12
(2)[47−(18.75−1÷
)×2
]÷0.46
(3)75%×1.375+5.625×75%+0.75
(4)77×13+225×999+510.
(
+2
−
)×12
(2)[47−(18.75−1÷
)×2
]÷0.46
(3)75%×1.375+5.625×75%+0.75
(4)77×13+225×999+510.
1 1 3 3
1 1 6 6
5 5 12 12
[47−(18.75−1÷
)×2
]÷0.46
(3)75%×1.375+5.625×75%+0.75
(4)77×13+225×999+510.
8 8 15 15
6 6 25 25
(1)(
1 |
3 |
1 |
6 |
5 |
12 |
(2)[47−(18.75−1÷
8 |
15 |
6 |
25 |
(3)75%×1.375+5.625×75%+0.75
(4)77×13+225×999+510.
(
1 |
3 |
1 |
6 |
5 |
12 |
(2)[47−(18.75−1÷
8 |
15 |
6 |
25 |
(3)75%×1.375+5.625×75%+0.75
(4)77×13+225×999+510.
1 |
3 |
1 |
6 |
5 |
12 |
[47−(18.75−1÷
8 |
15 |
6 |
25 |
(3)75%×1.375+5.625×75%+0.75
(4)77×13+225×999+510.
8 |
15 |
6 |
25 |
▼优质解答
答案和解析
(1)(
+2
−
)×12
=
×12+
×12-
×12,
=4+26-5,
=25;
(2)[47−(18.75−1÷
)×2
]÷0.46
=[47-(18.75-
)×
]÷0.46,
=[47-(18.75×
-1.875×
)]÷0.46,
=[47-(42-4.2)]÷0.46,
=[47-37.8]÷0.46,
=9.2÷0.46,
=20;
(3)75%×1.375+5.625×75%+0.75
=0.75×1.375+5.625×0.75+0.75,
=(1.375+5.625+1)×0.75,
=8×0.75,
=6;
(4)77×13+225×999+510.
=77×(10+3)+225×(1000-1)+510,
=77×10+77×3+225×1000-225+510,
=770+231+225000-225+510,
=226286. (
1 1 13 3 3+2
1 1 16 6 6−
5 5 512 12 12)×12
=
×12+
×12-
×12,
=4+26-5,
=25;
(2)[47−(18.75−1÷
)×2
]÷0.46
=[47-(18.75-
)×
]÷0.46,
=[47-(18.75×
-1.875×
)]÷0.46,
=[47-(42-4.2)]÷0.46,
=[47-37.8]÷0.46,
=9.2÷0.46,
=20;
(3)75%×1.375+5.625×75%+0.75
=0.75×1.375+5.625×0.75+0.75,
=(1.375+5.625+1)×0.75,
=8×0.75,
=6;
(4)77×13+225×999+510.
=77×(10+3)+225×(1000-1)+510,
=77×10+77×3+225×1000-225+510,
=770+231+225000-225+510,
=226286.
1 1 13 3 3×12+
×12-
×12,
=4+26-5,
=25;
(2)[47−(18.75−1÷
)×2
]÷0.46
=[47-(18.75-
)×
]÷0.46,
=[47-(18.75×
-1.875×
)]÷0.46,
=[47-(42-4.2)]÷0.46,
=[47-37.8]÷0.46,
=9.2÷0.46,
=20;
(3)75%×1.375+5.625×75%+0.75
=0.75×1.375+5.625×0.75+0.75,
=(1.375+5.625+1)×0.75,
=8×0.75,
=6;
(4)77×13+225×999+510.
=77×(10+3)+225×(1000-1)+510,
=77×10+77×3+225×1000-225+510,
=770+231+225000-225+510,
=226286.
13 13 136 6 6×12-
×12,
=4+26-5,
=25;
(2)[47−(18.75−1÷
)×2
]÷0.46
=[47-(18.75-
)×
]÷0.46,
=[47-(18.75×
-1.875×
)]÷0.46,
=[47-(42-4.2)]÷0.46,
=[47-37.8]÷0.46,
=9.2÷0.46,
=20;
(3)75%×1.375+5.625×75%+0.75
=0.75×1.375+5.625×0.75+0.75,
=(1.375+5.625+1)×0.75,
=8×0.75,
=6;
(4)77×13+225×999+510.
=77×(10+3)+225×(1000-1)+510,
=77×10+77×3+225×1000-225+510,
=770+231+225000-225+510,
=226286.
5 5 512 12 12×12,
=4+26-5,
=25;
(2)[47−(18.75−1÷
)×2
]÷0.46
=[47-(18.75-
)×
]÷0.46,
=[47-(18.75×
-1.875×
)]÷0.46,
=[47-(42-4.2)]÷0.46,
=[47-37.8]÷0.46,
=9.2÷0.46,
=20;
(3)75%×1.375+5.625×75%+0.75
=0.75×1.375+5.625×0.75+0.75,
=(1.375+5.625+1)×0.75,
=8×0.75,
=6;
(4)77×13+225×999+510.
=77×(10+3)+225×(1000-1)+510,
=77×10+77×3+225×1000-225+510,
=770+231+225000-225+510,
=226286. [47−(18.75−1÷
8 8 815 15 15)×2
6 6 625 25 25]÷0.46
=[47-(18.75-
)×
]÷0.46,
=[47-(18.75×
-1.875×
)]÷0.46,
=[47-(42-4.2)]÷0.46,
=[47-37.8]÷0.46,
=9.2÷0.46,
=20;
(3)75%×1.375+5.625×75%+0.75
=0.75×1.375+5.625×0.75+0.75,
=(1.375+5.625+1)×0.75,
=8×0.75,
=6;
(4)77×13+225×999+510.
=77×(10+3)+225×(1000-1)+510,
=77×10+77×3+225×1000-225+510,
=770+231+225000-225+510,
=226286.
15 15 158 8 8)×
]÷0.46,
=[47-(18.75×
-1.875×
)]÷0.46,
=[47-(42-4.2)]÷0.46,
=[47-37.8]÷0.46,
=9.2÷0.46,
=20;
(3)75%×1.375+5.625×75%+0.75
=0.75×1.375+5.625×0.75+0.75,
=(1.375+5.625+1)×0.75,
=8×0.75,
=6;
(4)77×13+225×999+510.
=77×(10+3)+225×(1000-1)+510,
=77×10+77×3+225×1000-225+510,
=770+231+225000-225+510,
=226286.
56 56 5625 25 25]÷0.46,
=[47-(18.75×
-1.875×
)]÷0.46,
=[47-(42-4.2)]÷0.46,
=[47-37.8]÷0.46,
=9.2÷0.46,
=20;
(3)75%×1.375+5.625×75%+0.75
=0.75×1.375+5.625×0.75+0.75,
=(1.375+5.625+1)×0.75,
=8×0.75,
=6;
(4)77×13+225×999+510.
=77×(10+3)+225×(1000-1)+510,
=77×10+77×3+225×1000-225+510,
=770+231+225000-225+510,
=226286.
56 56 5625 25 25-1.875×
)]÷0.46,
=[47-(42-4.2)]÷0.46,
=[47-37.8]÷0.46,
=9.2÷0.46,
=20;
(3)75%×1.375+5.625×75%+0.75
=0.75×1.375+5.625×0.75+0.75,
=(1.375+5.625+1)×0.75,
=8×0.75,
=6;
(4)77×13+225×999+510.
=77×(10+3)+225×(1000-1)+510,
=77×10+77×3+225×1000-225+510,
=770+231+225000-225+510,
=226286.
56 56 5625 25 25)]÷0.46,
=[47-(42-4.2)]÷0.46,
=[47-37.8]÷0.46,
=9.2÷0.46,
=20;
(3)75%×1.375+5.625×75%+0.75
=0.75×1.375+5.625×0.75+0.75,
=(1.375+5.625+1)×0.75,
=8×0.75,
=6;
(4)77×13+225×999+510.
=77×(10+3)+225×(1000-1)+510,
=77×10+77×3+225×1000-225+510,
=770+231+225000-225+510,
=226286.
1 |
3 |
1 |
6 |
5 |
12 |
=
1 |
3 |
13 |
6 |
5 |
12 |
=4+26-5,
=25;
(2)[47−(18.75−1÷
8 |
15 |
6 |
25 |
=[47-(18.75-
15 |
8 |
56 |
25 |
=[47-(18.75×
56 |
25 |
56 |
25 |
=[47-(42-4.2)]÷0.46,
=[47-37.8]÷0.46,
=9.2÷0.46,
=20;
(3)75%×1.375+5.625×75%+0.75
=0.75×1.375+5.625×0.75+0.75,
=(1.375+5.625+1)×0.75,
=8×0.75,
=6;
(4)77×13+225×999+510.
=77×(10+3)+225×(1000-1)+510,
=77×10+77×3+225×1000-225+510,
=770+231+225000-225+510,
=226286. (
1 |
3 |
1 |
6 |
5 |
12 |
=
1 |
3 |
13 |
6 |
5 |
12 |
=4+26-5,
=25;
(2)[47−(18.75−1÷
8 |
15 |
6 |
25 |
=[47-(18.75-
15 |
8 |
56 |
25 |
=[47-(18.75×
56 |
25 |
56 |
25 |
=[47-(42-4.2)]÷0.46,
=[47-37.8]÷0.46,
=9.2÷0.46,
=20;
(3)75%×1.375+5.625×75%+0.75
=0.75×1.375+5.625×0.75+0.75,
=(1.375+5.625+1)×0.75,
=8×0.75,
=6;
(4)77×13+225×999+510.
=77×(10+3)+225×(1000-1)+510,
=77×10+77×3+225×1000-225+510,
=770+231+225000-225+510,
=226286.
1 |
3 |
13 |
6 |
5 |
12 |
=4+26-5,
=25;
(2)[47−(18.75−1÷
8 |
15 |
6 |
25 |
=[47-(18.75-
15 |
8 |
56 |
25 |
=[47-(18.75×
56 |
25 |
56 |
25 |
=[47-(42-4.2)]÷0.46,
=[47-37.8]÷0.46,
=9.2÷0.46,
=20;
(3)75%×1.375+5.625×75%+0.75
=0.75×1.375+5.625×0.75+0.75,
=(1.375+5.625+1)×0.75,
=8×0.75,
=6;
(4)77×13+225×999+510.
=77×(10+3)+225×(1000-1)+510,
=77×10+77×3+225×1000-225+510,
=770+231+225000-225+510,
=226286.
13 |
6 |
5 |
12 |
=4+26-5,
=25;
(2)[47−(18.75−1÷
8 |
15 |
6 |
25 |
=[47-(18.75-
15 |
8 |
56 |
25 |
=[47-(18.75×
56 |
25 |
56 |
25 |
=[47-(42-4.2)]÷0.46,
=[47-37.8]÷0.46,
=9.2÷0.46,
=20;
(3)75%×1.375+5.625×75%+0.75
=0.75×1.375+5.625×0.75+0.75,
=(1.375+5.625+1)×0.75,
=8×0.75,
=6;
(4)77×13+225×999+510.
=77×(10+3)+225×(1000-1)+510,
=77×10+77×3+225×1000-225+510,
=770+231+225000-225+510,
=226286.
5 |
12 |
=4+26-5,
=25;
(2)[47−(18.75−1÷
8 |
15 |
6 |
25 |
=[47-(18.75-
15 |
8 |
56 |
25 |
=[47-(18.75×
56 |
25 |
56 |
25 |
=[47-(42-4.2)]÷0.46,
=[47-37.8]÷0.46,
=9.2÷0.46,
=20;
(3)75%×1.375+5.625×75%+0.75
=0.75×1.375+5.625×0.75+0.75,
=(1.375+5.625+1)×0.75,
=8×0.75,
=6;
(4)77×13+225×999+510.
=77×(10+3)+225×(1000-1)+510,
=77×10+77×3+225×1000-225+510,
=770+231+225000-225+510,
=226286. [47−(18.75−1÷
8 |
15 |
6 |
25 |
=[47-(18.75-
15 |
8 |
56 |
25 |
=[47-(18.75×
56 |
25 |
56 |
25 |
=[47-(42-4.2)]÷0.46,
=[47-37.8]÷0.46,
=9.2÷0.46,
=20;
(3)75%×1.375+5.625×75%+0.75
=0.75×1.375+5.625×0.75+0.75,
=(1.375+5.625+1)×0.75,
=8×0.75,
=6;
(4)77×13+225×999+510.
=77×(10+3)+225×(1000-1)+510,
=77×10+77×3+225×1000-225+510,
=770+231+225000-225+510,
=226286.
15 |
8 |
56 |
25 |
=[47-(18.75×
56 |
25 |
56 |
25 |
=[47-(42-4.2)]÷0.46,
=[47-37.8]÷0.46,
=9.2÷0.46,
=20;
(3)75%×1.375+5.625×75%+0.75
=0.75×1.375+5.625×0.75+0.75,
=(1.375+5.625+1)×0.75,
=8×0.75,
=6;
(4)77×13+225×999+510.
=77×(10+3)+225×(1000-1)+510,
=77×10+77×3+225×1000-225+510,
=770+231+225000-225+510,
=226286.
56 |
25 |
=[47-(18.75×
56 |
25 |
56 |
25 |
=[47-(42-4.2)]÷0.46,
=[47-37.8]÷0.46,
=9.2÷0.46,
=20;
(3)75%×1.375+5.625×75%+0.75
=0.75×1.375+5.625×0.75+0.75,
=(1.375+5.625+1)×0.75,
=8×0.75,
=6;
(4)77×13+225×999+510.
=77×(10+3)+225×(1000-1)+510,
=77×10+77×3+225×1000-225+510,
=770+231+225000-225+510,
=226286.
56 |
25 |
56 |
25 |
=[47-(42-4.2)]÷0.46,
=[47-37.8]÷0.46,
=9.2÷0.46,
=20;
(3)75%×1.375+5.625×75%+0.75
=0.75×1.375+5.625×0.75+0.75,
=(1.375+5.625+1)×0.75,
=8×0.75,
=6;
(4)77×13+225×999+510.
=77×(10+3)+225×(1000-1)+510,
=77×10+77×3+225×1000-225+510,
=770+231+225000-225+510,
=226286.
56 |
25 |
=[47-(42-4.2)]÷0.46,
=[47-37.8]÷0.46,
=9.2÷0.46,
=20;
(3)75%×1.375+5.625×75%+0.75
=0.75×1.375+5.625×0.75+0.75,
=(1.375+5.625+1)×0.75,
=8×0.75,
=6;
(4)77×13+225×999+510.
=77×(10+3)+225×(1000-1)+510,
=77×10+77×3+225×1000-225+510,
=770+231+225000-225+510,
=226286.
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