(资料图)

1、2.8×0.4= 1.1214-7.4=6.6,1.92÷0.04=48,0.32×500=160,0.65+4.35= 510-5.4=4.6,4÷20=0.2,3.5×200=700,1.5-0.06=1.440.75÷15=0.05,0.4×0.8=0.32,4×0.25=1,0.36+1.54=21.01×99=99.99,420÷35=12,25×12=300,135÷0.5=27017×40=680,100-63=37,3.2+1.68=4.88,2.8×0.4= 1.1214-7.4=6.6,1.92÷0.04=48,0.32×500=160,0.65+4.35= 510-5.4=4.6,4÷20=0.2,3.5×200=700,1.5-0.06=1.440.75÷15=0.05,0.4×0.8=0.32,4×0.25=1,0.36+1.54=21.01×99=99.99,420÷35=12,25×12=300,135÷0.5=2704-1.4=2.6、82-7.2=74.8、19+9.1=14.1-0.89=3.25.68+0.42=57.22、6.1-5.1=0.72-0.24=0.48、0.18+0.18=0.36、0.89-0.25=0.64、1-0.98=0.02、0.048+0.52=0.568、5×400=2000、19.9+11.1=3187÷100=1.87、1+3.89=4.89、0.081×10=0.875÷10=7.5、0.96÷8=0.12。

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