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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)(
1
3
+2
1
6
5
12
)×12
(2)[47−(18.75−1÷
8
15
)×2
6
25
]÷0.46
(3)75%×1.375+5.625×75%+0.75
(4)77×13+225×999+510.

(
1
3
+2
1
6
5
12
)×12
(2)[47−(18.75−1÷
8
15
)×2
6
25
]÷0.46
(3)75%×1.375+5.625×75%+0.75
(4)77×13+225×999+510.
1
3
1133
1
6
1166
5
12
551212
[47−(18.75−1÷
8
15
)×2
6
25
]÷0.46
(3)75%×1.375+5.625×75%+0.75
(4)77×13+225×999+510.
8
15
881515
6
25
662525

▼优质解答
答案和解析
(1)(
1
3
+2
1
6
5
12
)×12
=
1
3
×12+
13
6
×12-
5
12
×12,
=4+26-5,
=25;

(2)[47−(18.75−1÷
8
15
)×2
6
25
]÷0.46
=[47-(18.75-
15
8
)×
56
25
]÷0.46,
=[47-(18.75×
56
25
-1.875×
56
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
111333+2
1
6
111666−
5
12
555121212)×12
=
1
3
×12+
13
6
×12-
5
12
×12,
=4+26-5,
=25;

(2)[47−(18.75−1÷
8
15
)×2
6
25
]÷0.46
=[47-(18.75-
15
8
)×
56
25
]÷0.46,
=[47-(18.75×
56
25
-1.875×
56
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
111333×12+
13
6
×12-
5
12
×12,
=4+26-5,
=25;

(2)[47−(18.75−1÷
8
15
)×2
6
25
]÷0.46
=[47-(18.75-
15
8
)×
56
25
]÷0.46,
=[47-(18.75×
56
25
-1.875×
56
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.
13
6
131313666×12-
5
12
×12,
=4+26-5,
=25;

(2)[47−(18.75−1÷
8
15
)×2
6
25
]÷0.46
=[47-(18.75-
15
8
)×
56
25
]÷0.46,
=[47-(18.75×
56
25
-1.875×
56
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.
5
12
555121212×12,
=4+26-5,
=25;

(2)[47−(18.75−1÷
8
15
)×2
6
25
]÷0.46
=[47-(18.75-
15
8
)×
56
25
]÷0.46,
=[47-(18.75×
56
25
-1.875×
56
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.
[47−(18.75−1÷
8
15
888151515)×2
6
25
666252525]÷0.46
=[47-(18.75-
15
8
)×
56
25
]÷0.46,
=[47-(18.75×
56
25
-1.875×
56
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.
15
8
151515888)×
56
25
]÷0.46,
=[47-(18.75×
56
25
-1.875×
56
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.
56
25
565656252525]÷0.46,
=[47-(18.75×
56
25
-1.875×
56
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.
56
25
565656252525-1.875×
56
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.
56
25
565656252525)]÷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.