直接写得数. 0.4×0.02= 0.13×0.5= 3.6÷0.04= 3.57÷0.7= 9.6÷0.1= 15×0.06= 5.8×2.5

2025-03-01 20:28:01
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回答1:

0.4×0.02=0.008, 0.13×0.5=0.065, 3.6÷0.04=90, 3.57÷0.7=5.1,
9.6÷0.1=96, 15×0.06=0.9, 5.8×2.5×0.4=5.8, 3.2-0.125×8=2.2,
75×0.4=30, 42÷0.7=60, 0.45÷0.9+3=3.5, 3a-0.5a+a=3.5a.