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计算下列各题,能简算的要简算.1.25×3.2×0.40.8×24.5-9.53.5×0.7+5.5×0.7+0.77.8÷2.6+2.7×1.53.85×9.3+0.93×61.535.6-5.6×1.7
题目详情
计算下列各题,能简算的要简算.
计算下列各题,能简算的要简算.
1.25×3.2×0.4 0.8×24.5-9.5 3.5×0.7+5.5×0.7+0.7 7.8÷2.6+2.7×1.5 3.85×9.3+0.93×61.5 35.6-5.6×1.7 1.25×3.2×0.4 0.8×24.5-9.5 3.5×0.7+5.5×0.7+0.7 1.25×3.2×0.4 0.8×24.5-9.5 3.5×0.7+5.5×0.7+0.7 7.8÷2.6+2.7×1.5 3.85×9.3+0.93×61.5 35.6-5.6×1.7 7.8÷2.6+2.7×1.5 3.85×9.3+0.93×61.5 35.6-5.6×1.7
1.25×3.2×0.4 | 0.8×24.5-9.5 | 3.5×0.7+5.5×0.7+0.7 |
7.8÷2.6+2.7×1.5 | 3.85×9.3+0.93×61.5 | 35.6-5.6×1.7 |
1.25×3.2×0.4 | 0.8×24.5-9.5 | 3.5×0.7+5.5×0.7+0.7 |
7.8÷2.6+2.7×1.5 | 3.85×9.3+0.93×61.5 | 35.6-5.6×1.7 |
1.25×3.2×0.4 | 0.8×24.5-9.5 | 3.5×0.7+5.5×0.7+0.7 |
7.8÷2.6+2.7×1.5 | 3.85×9.3+0.93×61.5 | 35.6-5.6×1.7 |
▼优质解答
答案和解析
(1)1.25×3.2×0.4
=1.25×8×0.4×0.4
=(1.25×8)×(0.4×0.4)
=10×0.16
=1.6
(2)0.8×24.5-9.5
=19.6-9.5
=10.1
(3)3.5×0.7+5.5×0.7+0.7
=(3.5+5.5+1)×0.7
=10×0.7
=7
(4)7.8÷2.6+2.7×1.5
=3+4.05
=7.05
(5)3.85×9.3+0.93×61.5
=3.85×9.3+9.3×6.15
=(3.85+6.15)×9.3
=10×9.3
=93
(6)35.6-5.6×1.7
=35.6-9.52
=26.08
=1.25×8×0.4×0.4
=(1.25×8)×(0.4×0.4)
=10×0.16
=1.6
(2)0.8×24.5-9.5
=19.6-9.5
=10.1
(3)3.5×0.7+5.5×0.7+0.7
=(3.5+5.5+1)×0.7
=10×0.7
=7
(4)7.8÷2.6+2.7×1.5
=3+4.05
=7.05
(5)3.85×9.3+0.93×61.5
=3.85×9.3+9.3×6.15
=(3.85+6.15)×9.3
=10×9.3
=93
(6)35.6-5.6×1.7
=35.6-9.52
=26.08
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