①8.45-7.2÷1.6 ②46×9.9 ③7.6×7.3+2.7×7.6
4.5÷0.25÷4 3.45×102 0.36+0.64×5
1.6×7.5×1.25 44.28÷0.9÷4.1 (16.8+1.47)÷0.7
(2.1+0.54)÷0.2
7.4×0.56+0.44×7.4
9.4×10.1
100÷(1.25÷1.5)