)〕×12 93.6÷〔(6﹣2.88)×(
﹣1.875)〕
7.05×37+64×7.05﹣7.05

÷〔7.8+
×(2.75+1.25)〕
8.1÷(
)÷
.
(7.5+2.5)×0.25 | 710﹣18×4 | 5.4÷18+12 |
2÷ | 2.25×1.8+12.5×0.18 | [1﹣( |
25.25×0.4
2.5×4.04
0.25×1.25×0.4×8
=(0.25×0.4)+(1.25×8)
=0.1+10
=10.1
1.2×2.5+0.8×2.5
(12.5+0.25)×8=
×8.8+1.2×
①6.3-2.1×(3-1.5)
②5.8×99+5.8
③
④5916÷58×11
⑤
①15.45-6.8+22.35-13.2
②(56-41)×16÷12
③
-
÷(
×
)
④(
-
)×12×16
⑤24÷
+36÷
⑥48×1.2+4.8×8
①76÷2.5÷4
②2016÷
+ 
③(
+
)×20
④
×
-
× 
⑤
× 
⑥1.25×4.6+1.25×3.4
-
)×45
×
+
×1.75-
①4.85×12.5×8
②6.74×99+6.74
③9.64-2.64÷0.4
④2.41×8.54-1.41×8.54
⑤16.8÷20÷5
⑥4.5×102
25×(0.95×4)=×(×) 0.75×101=0.75×(+)
7.5×9.9=7.5×(-) 2.8×2.4+7.2×2.4=×(+)
①46.69-8.19-1.81
②99×78
③8.24-(2.24+1.9)
④365×99+365
⑤32×25×125
⑥4.38+2.75+5.62+6.25