①3.45×102
②0.47×0.5×0.8
③3.2+0.8×1.6
④7.2×1.25
⑤0.46×0.9+0.64×0.9
⑥1.25×(10+0.8)
1.5x=6.6
2x+6=21
67.3+2.97÷0.3
3.44÷(5.2+3.4)
20.7÷0.23-5.8x1.2
28.8÷(11.2÷1.4+8)
加法算式:
乘法算式:
①216÷(18×6)
② × + ÷
③( - )× ×36
④125%×2.5×3.2
⑤4.67-(0.67+2.98)
⑥ ÷[2÷( - )]