40%×50=
60%+80%=
25×40=
18%+13%+9%=
300×2.7=
3.5×75+75×6.5=
0.1÷1%=
18÷0.4=
1.25×3.3×8=
①4.12+ 1.37+ 0.88 + 3.63
②3.12÷2.5÷0.4
③48×()
④802-11×36
⑤0.56÷ (0.71+ 2.09)
⑥
⑦(0.84÷0.4+ 2.9)×0.4
⑧
① ②0.125×1.5×32 ③
④ ⑤ ⑥
305-199= ×0= 31×197≈
3.5×0.2= 2.4×=
905-598= 0.3+7= 0.72÷0.6= 6÷7= 0.45×6×0.5=
÷ = + = 4÷ ×9= × = × ÷ × =
+0.625=
12-=
1÷0.05=
9.7+0.03=
10÷10%=
3.5×0.2=
12×101=