(11.7+7.13)+10.99=11.7+(+)
①125×88
②1500÷25÷4
③96÷12+49×8
④32×99+32
⑤4.4+3.8+15.6
⑥15.62-7.9+2.38-2.1
⑦125×32×25
⑧45.36+(83.4-15.07)
⑨540÷[(41-36)×18]
①89×(10.32-6.98)
②11.23+6.88+3.77
③15-6.4+3.6
④101×0.41-0.41
⑤(9.25-4.75)÷2.5÷4
⑥[1-(0.5-0.25)]×0.6
①(125+7)×8=
②25×44 =
③3.27+6.4+2.73+4.6=
④6.45-0.58-1.42=
⑤2000÷125÷8=
⑥3200÷25÷4=
①45.55-(6.82+15.55)
②17.26+3.8+
在 里填上一个数,使计算简便。
③200×73÷(503-478)
④21×113-21×12-21
⑤8.38+15.92-3.38+25.08
⑥45×[720÷(60-12)]
①137×93-93×37
②975-243-57
③330÷5+23×45
④10.72+0.4-9.36
⑤125×(80+8)
⑥8.9+2.61+1.1+1.39
①209+102÷(52 -35)
②5.2+6.44+3.8+3.56
③25×125×32
④64×64+36×64
⑤99×38+38
⑥8.89-(4.89+3.5)