竖式计算
5×4= 6.4÷0.8= 7.2×0.01= 10÷4= 0.36×2= 1÷0.125=0.25×8= 8.1÷0.3= 0.1×0.02= 1.6÷16= 2.4×2.5= 3.2÷1.6=1.5+0.25×4= 3.5+7.6= 3×0.2×0.5=
2.26×37590×2904500÷80.
直接写得数. (1)1.3×0.2= (2)0.4÷8= (3)3.2﹣2.9= (4)0.24×3= (5)12.5+0.5=(6)0.25×4= (7)12.5×0.8= (8)1.3×30= (9)2﹣0.98= (10)8.4+3=
口算.8.6﹣5.4= 0.06+3.42= 7.6+4.2= 1.06+9.4= 125×88=4.85﹣3.25= 7.012×100= 704.5÷1000= 10﹣2.3= 25×16=
口算.8.6﹣4= 6.6+1.3= 0.7×10= 2.8÷100= 2.5×7×4=0÷234= 0.23+1.77= 9﹣0.1= 0.26×100= 9.3+4.5﹣7.3=