①65×142-42×65
②209+102÷(52-35)
③487-187-139-61
④940×[128-(154-31)]
⑤44×25
⑥3000÷125÷8
100×10= 90×8= 120×5= 440÷40=
480÷8= 25×4= 354-99= 150×60=
28÷7×5= 48+32-24= 64÷8-8= 24+16×6=
48+52÷4= 100-5×4= (57-27)÷3= 80-80÷4=
①720÷[8×(5.3+3.7)]
②12.5+1.96+0.04+7.5
③59.83-(15.8+9.83)
④25×32×125
⑤52×99+52
⑥76×45+76×56-76
0.040.4
0.300.3
0.210.12
根据图中的信息解答下面问题。
①101×32
②2.74+8.67+7.26+11.33
③18.8﹣5.8﹣﹣4.2﹣
④×+÷
⑤0.888×125×73+999×3
⑥4﹣[3.75×(1.2﹣)+]
①0.25×16.2×4
②375+450÷18×25
③35.6- +34.4-
④ × + ÷
⑤[( - )× ]÷
⑥3.5× +5.5×80%+0.8