Question

1.5×12+7.2x8+15÷1.25+7.8÷1/8简便计算

Answer 1

15×1.2+7.2x8+15÷1.25+7.8÷1/8=15 X 1.2+7.2 X 8+15 X 0.8+7.8 X 8=15 X (1.2+0.8)+(7.2+7.8) X8=150