能简算的要简算。 9-4.8÷6×50.5 (1.4×0.3+2.46)÷1.8 (2.5 ÷2+2÷2.5)×0.4

2024-11-19 15:23:02
推荐回答(3个)
回答1:

3.71+3.71X7.4-8.4X3.71
=3.71X1+3.71X7.4-8.4X3.71
=3.71X(1+8.4-7.4)
=3.71X2
=7.42
1.2+8.8×1.25
=1.2+(8+0.8)x1.25
=1.2+(8x1.25+0.8x1.25)
=1.2+(10+1)
=12.2
16.2÷[64.8-(51.3-2.7)]
=16.2÷(64.8-51.3+2.7)
=16.2÷16.2
=1

回答2:

关于植树节的童谣2首

回答3:

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