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计算.8470-104×65;0.6×(5.3-1.7)÷0.9;5.2÷0.8×6+42;13÷(23-25)×35;[12-(34-35)]÷710.
题目详情
| 计算. 8470-104×65; | 0.6×(5.3-1.7)÷0.9; | 5.2÷0.8×6+42; | |||||||||||||||
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▼优质解答
答案和解析
(1)8470-104×65,
=8470-(100+4)×65,
=8470-100×65-4×65,
=8470-6500-260,
=1710;
(2)0.6×(5.3-1.7)÷0.9,
=0.6×3.6÷0.9,
=0.6×(3.6÷0.9),
=0.6×4,
=2.4;
(3)5.2÷0.8×6+42,
=39+42,
=81;
(4)
÷(
-
)×
,
=
÷
×
,
=
×
×
,
=
;
(5)[
-(
-
)]÷
,
=[
-
]÷
,
=
×
,
=
.
=8470-(100+4)×65,
=8470-100×65-4×65,
=8470-6500-260,
=1710;
(2)0.6×(5.3-1.7)÷0.9,
=0.6×3.6÷0.9,
=0.6×(3.6÷0.9),
=0.6×4,
=2.4;
(3)5.2÷0.8×6+42,
=39+42,
=81;
(4)
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