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能简算的要简算.16.2÷(48.6+5.4)×0.50.36÷[(6.1-4.6)×0.8]2.38÷(59.5÷0.25)37.6-1.5÷0.244.87×2.34+4.87×7.66(0.35+0.7)÷0.352.8+7.2×2.314.6-4.6×2.1

题目详情
能简算的要简算.
16.2÷(48.6+5.4)×0.5

0.36÷[(6.1-4.6)×0.8]

2.38÷(59.5÷0.25)
37.6-1.5÷0.244.87×2.34+4.87×7.66(0.35+0.7)÷0.35
2.8+7.2×2.314.6-4.6×2.1
▼优质解答
答案和解析
(1)16.2÷(48.6+5.4)×0.5
=16.2÷54×0.5
=0.3×0.5
=0.15;
(2)0.36÷[(6.1-4.6)×0.8]
=0.36÷[1.5×0.8]
=0.36÷1.2
=0.3;
(3)2.38÷(59.5÷0.25)
=2.38÷238
=0.01;
(4)37.6-1.5÷0.24
=37.6-6.25
=31.35;
(5)4.87×2.34+4.87×7.66
=(2.34+7.66)×4.87
=10×4.87
=48.7;
(6)(0.35+0.7)÷0.35
=0.35÷0.35+0.7÷0.35
=1+2
=3;
(7)2.8+7.2×2.3
=2.8+16.56
=19.36;
(8)14.6-4.6×2.1
=14.6-9.66
=4.94.