题目
口算。
23+17= 126-60= 11×25= 217÷7=
11.3-1.2= 2.04-0.4= 0.26+0.84= 1.07+0.3=
4×0.25= 2.04×0.4= 1.25×8= 0.6×0.5=
12.4÷4= 6.12÷6= 1÷4= 1÷5=
3.6÷0.6= 0.24÷0.08= 1.5÷0.5= 4.2÷0.7=
答案:23+17=40 126-60=66 11×25=275 217÷7=31 11.3-1.2=10.1 2.04-0.4=1.64 0.26+0.84=1.1 1.07+0.3=1.37 4×0.25=1 2.04×0.4=0.816 1.25×8=10 0.6×0.5=0.3 12.4÷4=3.1 6.12÷6=1.02 1÷4=0.25 1÷5=0.2 3.6÷0.6=6 0.24÷0.08=3 1.5÷0.5=3 4.2÷0.7=6