1.2÷0.3= 10.4×0.1=
0.92÷0.23= 0÷0.26=
0.45÷0.9= 4×(2.5+0.25)=
0.57×8×1.25= 1.58×99+1.58=
①2.8×3.6+1.4×2.8
②4.75×101
③3.17×1.2+1.83
④4.95-14.82÷7.6
⑤12.5×16×2.5
92.8÷8÷1.25
6.89×3.7+0.689×63
1.01×78
2023×9.99+20.23
0.25×5.8×4
7.2×1.25
8.3+1.7×0.2
10.1×67.8﹣6.78
①0.53×2.5+
②25×0.032×12.5
③ [()×]
④6.83+17.9﹣0.83+32.1
①25×32×1.25
②(+0.375)÷(×)
③×+÷7
④6﹣(+)
①26×15﹣200
②8×4×12.5×0.25
③×+
④12÷[()×]