①4.6+1.9=
②2.5×4=
③0.053×100=
④0.8×0.5=
⑤0.12×50=
⑥10-8.75=
⑦0÷100×1000=
⑧3.25-1.22=
8.6+12.97= 20-17.26=
3.2×5.14= 6.84×700=
9.8+3.54= 6.05-3.7= 10-3.97=
2.4×0.45= 4.6×0.22= 0.65×80=
她算对了吗?如果正确,请说明为什么可以这样算。
如果错误,请用竖式计算出正确结果。
1.01×0.3=
0.5×0.5=
6-0.27=
0.65+0.7-0.65=
7.85-4.5=
0.7×1.3=
8.7+3=
2.3×4×0=
70×0.01= 2.515×10= 1.1×0.4= 10+0.3=
6.5×0.2= 0.1×0.01= 0.87 -0.6= 1.7×3=
63.1+23.5= 16.9-11.7= 13.78+16.22= 90-0.45=
13.1×20= 100×0.001= 1.1×0.5= 12.1×0.2=
3.2÷0.01= 2.2×9.9= 305-199=
2.05×4= 8×12.5%=