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能简算的要简算.0.46×8.3+11.7×0.460.67×1010.125×2.5×327.2÷0.9+2.13.76÷0.4÷2.563.2×99+63.2
题目详情
能简算的要简算.
0.46×8.3+11.7×0.46 | 0.67×101 | 0.125×2.5×32 |
7.2÷0.9+2.1 | 3.76÷0.4÷2.5 | 63.2×99+63.2 |
▼优质解答
答案和解析
①0.46×8.3+11.7×0.46
=0.46×(8.3+11.7)
=0.46×20
=9.2
②0.67×101
=0.67×(100+1)
=0.67×100+0.67×1
=67+0.67
=67.67
③0.125×2.5×32
=0.125×2.5×(4×8)
=0.125×8×(2.5×4)
=1×10
=10
④7.2÷0.9+2.1
=8+2.1
=10.1
⑤3.76÷0.4÷2.5
=3.76÷(0.4×2.5)
=3.76÷1
=3.76
⑥63.2×99+63.2
=63.2×(99+1)
=63.2×100
=6320
=0.46×(8.3+11.7)
=0.46×20
=9.2
②0.67×101
=0.67×(100+1)
=0.67×100+0.67×1
=67+0.67
=67.67
③0.125×2.5×32
=0.125×2.5×(4×8)
=0.125×8×(2.5×4)
=1×10
=10
④7.2÷0.9+2.1
=8+2.1
=10.1
⑤3.76÷0.4÷2.5
=3.76÷(0.4×2.5)
=3.76÷1
=3.76
⑥63.2×99+63.2
=63.2×(99+1)
=63.2×100
=6320
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