+
)×8+
﹣(
﹣
)]÷
+
+
)×72
+
+
+
.
(2.5+0.25+25)×4=( )
1.5×102
8.5×9.9=
1.02×6.5=
①1.7×8.3+1.7×1.7
②1.01×101﹣1.01
③6.5×2.8+7.2
④13.5×4.28﹣13.5×3.28
⑤2.5×7.2×0.8
①875-375÷25
②9.57+3.78-2.57
③
×
+
÷
④2.5×3.7×0.8
⑤
-(
÷
+
)
⑥
×[(
+
)÷
]
+4.7-4
+5.5×80%+0.8
×[0.75-(
-
)]
1.25×0.16×8=

2.1-0.75÷
=

①0.125×7.8×80
②7.2÷1.2+0.8
③12.9÷2.5÷0.4
④30.8-2.16÷0.8
⑤3.9×10.1
⑥7.5×5.5+4.5×7.5
①(4+0.4)×2.5
②8×7×0.125
③21.21+38.38+9.79+2.62
④10-2.3×1.2
⑤7.64×0.5-2.95
⑥3.26×5.7-3.26×0.7
①0.25×7.41×40
②3.48×22.9+3.48×77.1
③3.5×10.1
④43.6×101-43.6
⑤(3.2+0.56)÷0.8
⑥32×2.5×12.5