756×5.5 = 75.6×0.55=
41.58÷5.5= 41.58÷55=
3.09×0.53.09 3.97÷1.23.97 5.63÷5.61
0.8×5= 1.25×0.8= 0×1.35= 1.4×6=
7.2÷0.08= 4.2÷6= 5.8÷0.2= 0.64÷8=
①8.4×3.5+6.5×8.4
②4.12×0.8+0.2
③7.5×102
④4.8÷2.5÷4
⑤7.9×2.5×0.4
⑥12.5×2.5×32
1×0.9+0.2=1.1
12×0.9+0.3=11.1
123×0.9+0.4=111.1
123456×0.9+0.7=
×0.9+=11111111.1
A'( , ) B'( , )
C'( , ) D'( , )