2.3×100= 45.8÷100= 78-78÷100= 87×69×0=
25×12= 1000÷125= 25×4÷25×4= 37×5×2=
⑴56×25×4 ⑵(125 - 40)×80
⑶37×199 + 37 ⑷79×125
1.25×80= 2.5×0.8= 0.35×0.2=
0.8×250= 4.6×0.6=
60-53.21= 3.9+5.48= 7.3-0.07=
0.44×40= 1.9×0.08=
+ =
- =
1- =
8400-0= 0÷180= 125+0= 420-250=
251+449= 600÷40= 780×0= 50×120=
125×80= 25×9×4=
0.6-0.47= 0.75+1.4= 1- =